Exam 18: Correlation and Regression
Exam 1: Introduction to Marketing Research84 Questions
Exam 2: Defining the Marketing Research Problem and Developing an Approach88 Questions
Exam 3: Research Design91 Questions
Exam 4: Exploratory Research Design: Secondary Data69 Questions
Exam 5: Exploratory Research Design: Syndicated Sources of Secondary Data91 Questions
Exam 6: Exploratory Research Design: Qualitative Research94 Questions
Exam 7: Descriptive Research Design: Survey and Observation96 Questions
Exam 8: Causal Research Design: Experimentation102 Questions
Exam 9: Measurement and Scaling: Fundamentals and Comparative Scaling98 Questions
Exam 10: Measurement and Scaling: Noncomparative Scaling Techniques97 Questions
Exam 11: Questionnaire and Form Design92 Questions
Exam 12: Sampling: Design and Procedures90 Questions
Exam 13: Sampling: Final and Initial Sample Size Determination88 Questions
Exam 14: Fieldwork: Data Collection91 Questions
Exam 15: Data Preparation and Analysis Strategy91 Questions
Exam 16: Frequency Distribution,hypothesis Testing,and Cross-Tabulation92 Questions
Exam 17: Hypothesis Testing Related to Differences88 Questions
Exam 18: Correlation and Regression91 Questions
Exam 19: Report Preparation and Presentation89 Questions
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Significance testing involves testing the significance of the overall regression equation as well as specific partial regression coefficients.
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(True/False)
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True
The most commonly used technique for fitting a straight line to a scattergram is the ________.
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(Multiple Choice)
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Correct Answer:
C
The term used to denote the standardized regression coefficient is called the alpha coefficient.
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(True/False)
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Correct Answer:
False
The product moment correlation is also referred to as regression correlation.
(True/False)
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An equation used to explain the results of multiple regression analysis is called the ________.
(Multiple Choice)
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In a short essay,define standardization and include a discussion of beta coefficient and standardized regression coefficient to support your answer.
(Essay)
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In multiple regression,if the overall null hypothesis is rejected,we know which specific coefficients
(βᵢs)are nonzero.
(True/False)
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The test statistic for evaluating the null hypothesis associated with the product moment correlation is the F-test.
(True/False)
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A statistic summarizing the strength of association between two metric variables is called the product moment correlation.
(True/False)
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Which of the following statistics indicates the degree to which the variation in one variable,X,is related to the variation in another variable,Y?
(Multiple Choice)
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It is not possible to conduct correlation and regression analysis if the data collected in social media are qualitative in nature.
(True/False)
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A(n)________ is a plot of the values of two variables for all the cases or observations.
(Multiple Choice)
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The difference between the observed value of Y and the value predicted by the regression equation is called the ________.
(Multiple Choice)
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________ is concerned with the nature and degree of association between variables and does not imply or assume any causality.
(Multiple Choice)
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The product moment correlation is also referred to as all of the following EXCEPT:
(Multiple Choice)
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A systematic relationship between two variables in which a change in one implies a corresponding change in the other is called ________.
(Multiple Choice)
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Regression analysis of an independent and dependent variable can be used in all of the following ways EXCEPT:
(Multiple Choice)
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The first step involved in conducting bivariate analysis is the development of a scatter diagram.
(True/False)
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According to the text,the beta coefficient is also called the beta weight.
(True/False)
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The ________ is the most widely used statistic that summarizes the strength and direction of association between two metric variables.
(Multiple Choice)
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